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Pat. 9887616 United States, Int. Cl.22 H02M 1/12, H02M 1/15, H02M 1/42, H02M 3/335, H02M 5/458, H02M 7/48, H02M 1/00, H02M 5/22. Electric power conversion apparatus with active filter : Appl. N 14/789412 : Filed 01.07.2015 : Pub. 06.02.2018 : / Hua Bai, Juncheng Lu ; Assignee Hella Corporate Center Usa Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9887616/en?oq=US9887616.html (дата обращения: ДД.ММ.ГГГГ).